Combo Cabinet - Need Help Please

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jam-mill
Posts: 222
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Location: San Diego, CA

Combo Cabinet - Need Help Please

Post by jam-mill »

Starting to design a combo cabinet to give plans to a builder.

Chassis is 19.25" x 8" x 2.5", so the cabinet width will need to be 21".

Is the cabinet depth 10"?

What is the depth for the baffle board?
What is the depth for the back panel?

Is the speaker centered in the baffle?

Thanks in advance for your help.

-jack
ComboCab.png
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John 15:12-13
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norburybrook
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Re: Combo Cabinet - Need Help Please

Post by norburybrook »

I think if you do a search there's an actual Dumble combo plan somewhere on the forum posts.


M
10thTx
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Re: Combo Cabinet - Need Help Please

Post by 10thTx »

Maybe there is something useful here? I have NO idea if the cab dimension plans are accurate? Just sharing something that I found on the internet. Maybe someone here can confirm whether these would work or not?

http://ampgarage.com/forum/viewtopic.ph ... an#p328089

http://ceriatoneforum.com/overtone/so-i ... or-my-ots/

With respect, 10thtx
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jam-mill
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Re: Combo Cabinet - Need Help Please

Post by jam-mill »

10thTx wrote: Wed Mar 22, 2017 11:15 am Maybe there is something useful here? I have NO idea if the cab dimension plans are accurate? Just sharing something that I found on the internet. Maybe someone here can confirm whether these would work or not?

http://ampgarage.com/forum/viewtopic.ph ... an#p328089

http://ceriatoneforum.com/overtone/so-i ... or-my-ots/

With respect, 10thtx

Thank-You for providing the information.
-jack
John 15:12-13
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erwin_ve
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Re: Combo Cabinet - Need Help Please

Post by erwin_ve »

I have a combo cabinet made by Tubetown that came today.
It's empty for the next few days.
If you're interested I can shoot some pics.
hywelg
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Re: Combo Cabinet - Need Help Please

Post by hywelg »

I did some plans for a head shell a few years ago, published them on the Ceriatone forum

http://ceriatoneforum.com/overtone/head ... ttach=1320

SImple enough to extend the sides to make room for the baffle.

Let me know if you'd like me to adapt the plan, it wouldn't take very long at all.
hywelg
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Re: Combo Cabinet - Need Help Please

Post by hywelg »

I now recall I did make an OTS Combo, it currently has my Ceriatone DZ-30 sitting in it. Found the drawing, tarted it up with proper dimensions. Here it is .

https://www.dropbox.com/s/t7bxekw7p5vv2 ... 1.pdf?dl=0

Pics of the backplate and the combo here

https://www.dropbox.com/s/jtqis51dk6qwe ... 9.JPG?dl=0
https://www.dropbox.com/s/cbtbfqal4y3ml ... 6.JPG?dl=0
https://www.dropbox.com/s/nlh37rjfsark6 ... 9.JPG?dl=0
Bombacaototal
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Re: Combo Cabinet - Need Help Please

Post by Bombacaototal »

Attached a Two Rock combo. The oval on the back looks bigger than the one indicated on the template (although Two Rock is not Dumble)

The ones from Taylor are Average dimensions for a 1×12” – 20.5”W x 20.5”T x 10.25”D: http://amplifiednation.com/cabinets/

I am wondering if anyone ever made one of those Dumble combos for a 10inch speaker?
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jam-mill
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Re: Combo Cabinet - Need Help Please

Post by jam-mill »

Thanks to all for your input - much appreciated.

Attached are plans that I modeled based on the various input provided.

-jack
ComboCab.png
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John 15:12-13
Bombacaototal
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Re: Combo Cabinet - Need Help Please

Post by Bombacaototal »

Thanks a lot for the plan Jack!

I am in doubt between loading one of those with a neo 12" speaker which is light or if I go slightly smaller for a greenback 10" or a Eminence Ragin Cajun 10" which I heard great things about

Which wood are you planning to use?

On this 50W 4x10 combo http://www.theguitarsanctuary.com/Two-R ... p/8835.htm http://www.two-rock.com/ownersmanuals/A ... esheet.pdf
Two Rock went furniture grade poplar ply
The cabinet design has also been op mized with a new wood type. During development we experimented with several di erent types of wood and se led on a furniture grade poplar ply that brought the amp to life with a more percussive and lively sonic quality. Since we were going for a more “vintage” vibe, we did try a pine cab. Unfortunately, we were concerned with the consistency of pine cabs as the wood can vary from batch to batch. The poplar ply we chose, gave us the same feel and response as the pine, but gave us the consistency we were a er.
Tomo Fujita Two Rock is Japanese Pine
Last edited by Bombacaototal on Mon Mar 27, 2017 10:40 am, edited 1 time in total.
Bombacaototal
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Re: Combo Cabinet - Need Help Please

Post by Bombacaototal »

Here a lot of measurements from Two Rock:
http://www.two-rock-jp.com/products-speakercabs.html

1-12 Extension Cabinet: 610mm wide x 457mm tall x 305mm deep
2-12 Extension cabinet: 21” wide x 26.5” tall x 12”deep

Birch ply:
1-12 Signature Cab: 21” wide x 22” tall x 13”deep
2-12 Signature Cab: 21” wide x 29” tall x 12” deep

And as far as wood:
The standard Two Rock cabs were made of aviation grade birch ply. The custom order cabs (like the Mayer and Tomo Fujita combo and heads/cabs) were made of Japanese solid pine. They were made for Two Rock by Mitch Nagasawa at String Driver Cabs in Japan; http://www.sd-cab.com/index.html

Tomo is using Eminence Tonespotter speakers and Mayer a Gold (both 50Watt combos)
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